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Finding the Fourth Proportional to 172,652.50, 259,096.20 and 61,844.50

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Solution

The fourth proportional to 172,652.50, 259,096.20 and 61,844.50 is: 92,808.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,652.50 : 259,096.20 = 61,844.50 : x
  2. Step 2: Convert to fraction form
    172,652.50/259,096.20 = 61,844.50/x
  3. Step 3: Cross multiply
    172,652.50x = 259,096.20 × 61,844.50
  4. Step 4: Simplify right side
    172,652.50x = 16,023,674,940.90
  5. Step 5: Solve for x
    x = 16,023,674,940.90/172,652.50
  6. Step 6: Final answer
    x = 92,808.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.